Annual report pursuant to Section 13 and 15(d)

Accounts Payable and Accrued Expenses (Details)

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Accounts Payable and Accrued Expenses (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Accounts Payable and Accrued Expenses    
Accounts payable $ 34,810 $ 57,244
Accrued expenses:    
Professional fees 1,681 1,693
Salaries, bonus and related benefits 8,531 9,772
Research and development 11,644 7,390
Research and development - license maintenance fees 0 632
Research and development - milestones 0 4,600
Accrued royalties payable 2,015 2,627
Accrued coupon and rebates 9,987 7,604
Return reserve 4,077 3,689
Accrued interest 0 342
Other 817 1,853
Total accounts payable and accrued expenses $ 73,562 $ 97,446